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2026-01-03 - 05:58

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #e, slot #8

Rack #0/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #1/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #2/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #3/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #4/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #5/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #6/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #7/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #8/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #9/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #a/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #b/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #c/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #d/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #e/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #f/#0 #1 #2 #3 #4 #5 #6 #7 #8 
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  Congatec
Click here to display the system's profile data or here to proceed to next system.
Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of all highest latencies:
System rackeslot8s.osadl.org (updated Sat Jan 03, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
33646909912810,1278cyclictest34377542sleep33
33646909912141,1210cyclictest36760702sleep33
3364690992470,244cyclictest3534338-21turbostat3
3364690992219,1cyclictest0-21swapper/33
3364690991815,1cyclictest0-21swapper/33
3364690991714,1cyclictest0-21swapper/33
3364690991714,1cyclictest0-21swapper/33
336469099171,12cyclictest3740353-21taskset3
336469099171,12cyclictest3405984-21taskset3
3364690991613,1cyclictest0-21swapper/33
336469099154,8cyclictest3747028-21taskset3
3364690991513,1cyclictest0-21swapper/33
3364690991513,1cyclictest0-21swapper/33
3364690991513,1cyclictest0-21swapper/33
3364690991512,1cyclictest0-21swapper/33
336469099151,11cyclictest3683743-21taskset3
336469099151,11cyclictest3592767-21taskset3
336469099151,11cyclictest3541237-21taskset3
336469099151,11cyclictest3445817-21taskset3
336469099151,10cyclictest3620360-21taskset3
336469099151,10cyclictest3521770-21taskset3
336469099151,10cyclictest3488581-21taskset3
301798150,3rtkit-daemon3406402-21if_eno12
36953752141,9sleep03695581-21cat0
336469099149,2cyclictest34961002sleep33
336469099144,7cyclictest3559854-21taskset3
336469099144,7cyclictest3508600-21taskset3
336469099144,7cyclictest3495554-21taskset3
3364690991412,1cyclictest0-21swapper/33
3364690991412,1cyclictest0-21swapper/33
3364690991412,1cyclictest0-21swapper/33
3364690991412,1cyclictest0-21swapper/33
3364690991412,0cyclictest0-21swapper/33
3364690991411,1cyclictest0-21swapper/33
3364690991411,1cyclictest0-21swapper/33
3364690991411,1cyclictest0-21swapper/33
3364690991411,1cyclictest0-21swapper/33
3364690991411,1cyclictest0-21swapper/33
3364690991411,1cyclictest0-21swapper/33
3364690991411,1cyclictest0-21swapper/33
3364690991411,1cyclictest0-21swapper/33
336469099141,10cyclictest3695628-21taskset3
336469099141,10cyclictest3681701-21taskset3
336469099141,10cyclictest3611840-21turbostat3
336469099141,10cyclictest3566420-21chrt3
336469099141,10cyclictest3379167-21taskset3
336469099140,10cyclictest3444229-21turbostat3
35800122130,1sleep13579709-21/usr/sbin/munin1
336469099134,7cyclictest3753502-21turbostat3
336469099132,8cyclictest3714887-21taskset3
336469099131,9cyclictest3732830-21taskset3
336469099131,9cyclictest3707226-21chrt3
3364690991312,0cyclictest0-21swapper/33
3364690991312,0cyclictest0-21swapper/33
3364690991312,0cyclictest0-21swapper/33
3364690991311,1cyclictest0-21swapper/33
336469099131,10cyclictest3412370-21chrt3
3364690991311,0cyclictest0-21swapper/33
3364690991310,1cyclictest0-21swapper/33
336469099130,10cyclictest3653090-21taskset3
336469099130,10cyclictest3521200-21taskset3
336469099130,10cyclictest3470110-21taskset3
336469099130,10cyclictest3398318-21taskset3
36829362121,4sleep13683135-21/usr/sbin/munin1
36629042128,3sleep03639986-21kworker/0:0+kacpi_notify0
34911022121,2sleep00-21swapper/00
336469099123,7cyclictest3528143-21taskset3
336469099123,7cyclictest3528143-21taskset3
336469099121,9cyclictest3773274-21taskset3
336469099121,8cyclictest3476792-21taskset3
336469099121,8cyclictest3450890-21taskset3
336469099120,10cyclictest3599282-21taskset3
33635132121,7sleep03363584-21ntp_states0
301798120,7rtkit-daemon3377350-21grep2
37727302111,3sleep23772774-21unin-run2
36626402110,1sleep10-21swapper/11
34377582111,7sleep23437780-21basename2
33930052111,7sleep23393166-21sed2
3364690991111,0cyclictest0-21swapper/33
301798110,6rtkit-daemon3475444-21ntp_states2
37729842102,4sleep03773017-21apt-get0
37212922101,4sleep13721325-21apt-get1
35158072101,6sleep23516794-21irqstats2
34509042101,6sleep23450911-21basename2
33641112100,2sleep30-21swapper/33
301798100,6rtkit-daemon317-21systemd-udevd0
301798100,5rtkit-daemon448-21wpa_supplicant0
301798100,5rtkit-daemon3502337-21latency_hist2
301798100,5rtkit-daemon3415013-21cut2
301798100,4rtkit-daemon3752101-21tr0
301798100,3rtkit-daemon492-21gmain0
301798100,3rtkit-daemon3200908-21packagekitd2
301798100,1rtkit-daemon0-21swapper/00
301798100,1rtkit-daemon0-21swapper/00
3773169291,6sleep20-21swapper/22
3714899292,3sleep03714932-21apt-get0
3713815290,6sleep13713932-21python31
3675259291,4sleep13675383-21python31
3625425291,5sleep03626416-21irqstats0
3554451290,6sleep23554733-21cut2
3496137291,4sleep03496289-21df_inode0
3477189291,6sleep23477368-21sed2
3457343291,4sleep03457375-21apt-get0
3450942291,4sleep03451097-21diskstats0
3374583291,6sleep03375653-21kthreadcore0
30179890,4rtkit-daemon3756362-21cut0
30179890,4rtkit-daemon3365035-21apt2
30179890,3rtkit-daemon492-21gmain0
30179890,1rtkit-daemon0-21swapper/22
30179890,1rtkit-daemon0-21swapper/00
3779874281,4sleep13780861-21irqstats1
3765471280,5sleep23765598-21python32
3740289281,4sleep23740321-40ogrotate2
3716353280,5sleep13717678-21grep1
3707540281,4sleep20-21swapper/22
3665217280,5sleep13666634-21kthreadcore1
3658046280,5sleep23658997-21kthreadcore2
3612137281,4sleep13612289-21df_inode1
3560665280,6sleep23560865-21/usr/sbin/munin2
3509149281,4sleep03509348-21hddtemp_smartct0
3454094280,1sleep10-21swapper/11
30179880,5rtkit-daemon636-21snmpd0
30179880,5rtkit-daemon3205-21sendmail-mta0
30179880,4rtkit-daemon667-21lldpd0
30179880,4rtkit-daemon638-21ntpd2
30179880,4rtkit-daemon638-21ntpd0
30179880,4rtkit-daemon636-21snmpd2
30179880,4rtkit-daemon636-21snmpd2
30179880,4rtkit-daemon636-21snmpd2
30179880,4rtkit-daemon636-21snmpd2
30179880,4rtkit-daemon636-21snmpd0
30179880,4rtkit-daemon636-21snmpd0
30179880,4rtkit-daemon636-21snmpd0
30179880,4rtkit-daemon636-21snmpd0
30179880,4rtkit-daemon3708520-21apt-get0
30179880,4rtkit-daemon3643913-21taskset0
30179880,4rtkit-daemon3371393-21munin-node2
30179880,4rtkit-daemon3371393-21munin-node0
30179880,4rtkit-daemon3205-21sendmail-mta2
30179880,4rtkit-daemon3200908-21packagekitd0
30179880,4rtkit-daemon3200908-21packagekitd0
30179880,3rtkit-daemon3564720-21grep0
30179880,1rtkit-daemon0-21swapper/22
30179880,1rtkit-daemon0-21swapper/22
30179880,1rtkit-daemon0-21swapper/22
30179880,1rtkit-daemon0-21swapper/00
3715085270,5sleep23715183-21fschecks_time2
3681629270,5sleep23681700-21/usr/sbin/munin2
3599593271,3sleep13599952-21cut1
3598946270,4sleep13598969-21/usr/sbin/munin1
3598022270,1sleep20-21swapper/22
3592543270,5sleep23592765-21latency_hist2
3591815271,3sleep03591925-21find0
3586783270,4sleep13587224-21sed1
3579708271,3sleep20-21swapper/22
3577285271,3sleep23578419-21memory2
3573395270,4sleep13573496-21/usr/sbin/munin1
3546772270,4sleep03547016-21users0
3522196270,4sleep23523189-21irqstats2
3502512270,3sleep13502545-21apt-get1
3495026270,5sleep13495151-21python31
3463731272,2sleep03463764-21apt-get0
3412398270,3sleep00-21swapper/00
3394304271,3sleep13396196-21kthreadcore1
3364478271,3sleep03364448-21apt-get0
30179870,4rtkit-daemon638-21ntpd0
30179870,4rtkit-daemon638-21ntpd0
30179870,4rtkit-daemon492-21gmain2
30179870,4rtkit-daemon492-21gmain2
30179870,4rtkit-daemon430-21avahi-daemon2
30179870,3rtkit-daemon667-21lldpd0
30179870,3rtkit-daemon638-21ntpd2
30179870,3rtkit-daemon636-21snmpd2
30179870,3rtkit-daemon3371393-21munin-node0
30179870,3rtkit-daemon3371393-21munin-node0
30179870,3rtkit-daemon3371393-21munin-node0
30179870,3rtkit-daemon3205-21sendmail-mta2
30179870,3rtkit-daemon2904-21cron0
3787963261,2sleep10-21swapper/11
3761434261,2sleep10-21swapper/11
3753740261,2sleep20-21swapper/22
3753461260,1sleep10-21swapper/11
3727433260,1sleep20-21swapper/22
3683136261,3sleep23683742-21irqrtprio2
3682040260,1sleep10-21swapper/11
3636640260,1sleep10-21swapper/11
3618912261,2sleep10-21swapper/11
3610777260,3sleep23610915-21awk2
3560552263,1sleep1321rcuc/11
3549110261,2sleep10-21swapper/11
3548197261,3sleep00-21swapper/00
3540838260,1sleep00-21swapper/00
3534308261,2sleep10-21swapper/11
3534308261,2sleep10-21swapper/11
3521362260,1sleep10-21swapper/11
3501484260,3sleep13501578-21awk1
3476283260,3sleep13476303-21apt-get1
3458809261,2sleep10-21swapper/11
3450408260,1sleep10-21swapper/11
3449821260,3sleep03449922-21sshd0
3441192261,2sleep00-21swapper/00
3433034260,3sleep072-21kcompactd00
3426618260,3sleep03428008-21cut0
3412423261,3sleep13412386-21/usr/sbin/munin1
3406138260,3sleep03406252-21fw_packets0
3399411261,3sleep13399466-21fschecks_count1
3399264261,3sleep03399410-21df0
3392824261,2sleep00-21swapper/00
3392556261,2sleep00-21swapper/00
3380475261,2sleep00-21swapper/00
3364257260,1sleep10-21swapper/11
30179860,3rtkit-daemon667-21lldpd2
3791299251,2sleep20-21swapper/22
3780862251,2sleep20-21swapper/22
3766761251,2sleep10-21swapper/11
3748756251,2sleep20-21swapper/22
3746507250,3sleep20-21swapper/22
3733844250,1sleep10-21swapper/11
3708027250,1sleep10-21swapper/11
3676074250,2sleep20-21swapper/22
3651950250,3sleep23653089-21cut2
3650651250,2sleep10-21swapper/11
3650381250,1sleep20-21swapper/22
3631038250,1sleep10-21swapper/11
3627818250,3sleep23630010-21cut2
3619437251,2sleep20-21swapper/22
3611624250,1sleep10-21swapper/11
3599954251,2sleep20-21swapper/22
3566883250,2sleep10-21swapper/11
3542215250,3sleep13543116-21grep1
3531292251,2sleep00-21swapper/00
3531292251,2sleep00-21swapper/00
3527708250,1sleep00-21swapper/00
3521279250,1sleep00-21swapper/00
3509349251,2sleep10-21swapper/11
3504006250,2sleep00-21swapper/00
3482647250,1sleep00-21swapper/00
3471378251,2sleep00-21swapper/00
3469530250,1sleep10-21swapper/11
3434481251,2sleep10-21swapper/11
3424909250,3sleep03424916-21latency_hist0
3418981251,2sleep10-21swapper/11
3385857250,1sleep10-21swapper/11
3758726240,2sleep13758969-21strings1
3727910240,2sleep23728109-21idleruntime2
3713521240,2sleep23713693-21strings2
3698130240,2sleep20-21swapper/22
3695168240,3sleep10-21swapper/11
3689172240,2sleep20-21swapper/22
3644213240,1sleep10-21swapper/11
3643646240,3sleep20-21swapper/22
3639310240,1sleep10-21swapper/11
3633021240,2sleep23635053-21cut2
3568154240,2sleep20-21swapper/22
3489164240,3sleep00-21swapper/00
3488744240,2sleep10-21swapper/11
3472453240,2sleep10-21swapper/11
3438014240,2sleep10-21swapper/11
3431093240,3sleep10-21swapper/11
3388362240,2sleep13390438-21grep1
3375657240,2sleep10-21swapper/11
3366456240,2sleep10-21swapper/11
3774438230,1sleep10-21swapper/11
3746603230,1sleep10-21swapper/11
3740000230,1sleep10-21swapper/11
3697083230,1sleep10-21swapper/11
3668880230,1sleep20-21swapper/22
3618006230,1sleep20-21swapper/22
3554250230,1sleep10-21swapper/11
3534873230,1sleep10-21swapper/11
3527211230,1sleep10-21swapper/11
3411884230,2sleep1331ktimers/11
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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